Camera optical lens

Abstract

A camera optical lens includes a first lens having a positive refractive power, a second lens having a refractive power, a third lens having a negative refractive power, a fourth lens having a positive refractive power, and a fifth lens having a negative refractive power, which are sequentially arranged from an object side to an image side. 0.90≤f1/f≤1.20, 5.00≤(R3+R4)/(R3−R4)≤30.00, 3.00≤d5/d6≤10.00, and −15.00≤(R5+R6)/(R5−R6)≤−3.00. f denotes a focal length of the camera optical lens, f1 denotes a focal length of the first lens, R3 denotes a curvature radius of an object-side surface of the second lens, R4 denotes a curvature radius of an image-side surface of the second lens, and R5 denotes a curvature radius of an object-side surface of the third lens. The camera optical lens has good optical performance and meets the design requirements of a large aperture, a wide angle, and ultra-thinness.

What is claimed is: 
     
       1. A camera optical lens, comprising, from an object side to an image side:
 a first lens having a positive refractive power; 
 a second lens having a refractive power; 
 a third lens having a negative refractive power; 
 a fourth lens having a positive refractive power; and 
 a fifth lens having a negative refractive power, 
 wherein the camera optical lens satisfies:
   0.90≤ f 1/ f≤ 1.20;
 
   −0.75≤ f 5/ f≤− 0.55;
 
   5.00≤( R 3+ R 4)/( R 3− R 4)≤30.00;
 
   3.00≤ d 5/ d 6≤10.00; and
 
   −15.00≤( R 5+ R 6)/( R 5− R 6)≤−3.00,
 
 
 where f denotes a focal length of the camera optical lens; f1 denotes a focal length of the first lens; f5 denotes a focal length of the fifth lens; R3 denotes a curvature radius of an object-side surface of the second lens; R4 denotes a curvature radius of an image-side surface of the second lens; R5 denotes a curvature radius of an object-side surface of the third lens; R6 denotes a curvature radius of an image-side surface of the third lens; d5 denotes an on-axis thickness of the third lens; and d6 denotes an on-axis distance from the image-side surface of the third lens to an object-side surface of the fourth lens. 
 
     
     
       2. The camera optical lens as described in  claim 1 , further satisfying:
   −2.22≤( R 1+ R 2)/( R 1− R 2)≤−0.18; and
 
   0.13≤ d 1/ TTL≤ 0.42,
 
 where R1 denotes a curvature radius of an object-side surface of the first lens, R2 denotes a curvature radius of an image-side surface of the first lens, d1 denotes an on-axis thickness of the first lens, and TTL denotes a total optical length from the object-side surface of the first lens to an image plane of the camera optical lens along an optic axis. 
 
     
     
       3. The camera optical lens as described in  claim 1 , further satisfying:
   −72.72≤ f 2/ f≤ 18.51; and
 
   0.02≤ d 3/ TTL≤ 0.08,
 
 where f2 denotes a focal length of the second lens, d3 denotes an on-axis thickness of the second lens, and TTL denotes a total optical length from an object-side surface of the first lens to an image plane of the camera optical lens along an optic axis. 
 
     
     
       4. The camera optical lens as described in  claim 1 , further satisfying:
   −19.24≤ f 3/ f≤− 0.85; and
 
   0.02≤ d 5/ TTL≤ 0.10,
 
 where f3 denotes a focal length of the third lens, and TTL denotes a total optical length from an object-side surface of the first lens to an image plane of the camera optical lens along an optic axis. 
 
     
     
       5. The camera optical lens as described in  claim 1 , further satisfying:
   0.32≤ f 4/ f≤ 1.20;
 
   −0.40≤( R 7+ R 8)/( R 7− R 8)≤0.26; and
 
   0.06≤ d 7/ TTL≤ 0.28,
 
 where f4 denotes a focal length of the fourth lens, R7 denotes a curvature radius of the object-side surface of the fourth lens, R8 denotes a curvature radius of an image-side surface of the fourth lens, d7 denotes an on-axis thickness of the fourth lens, and TTL denotes a total optical length from an object-side surface of the first lens to an image plane of the camera optical lens along an optic axis. 
 
     
     
       6. The camera optical lens as described in  claim 1 , further satisfying:
   0.45≤( R 9+ R 10)/( R 9− R 10)≤1.97; and
 
   0.03≤ d 9/ TTL≤ 0.13,
 
 where R9 denotes a curvature radius of an object-side surface of the fifth lens, R10 denotes a curvature radius of an image-side surface of the fifth lens, d9 denotes an on-axis thickness of the fifth lens, and TTL denotes a total optical length from an object-side surface of the first lens to an image plane of the camera optical lens along an optic axis. 
 
     
     
       7. The camera optical lens as described in  claim 1 , further satisfying: TTL/IH≤1.50, where IH denotes an image height of the camera optical lens, and TTL denotes a total optical length from an object-side surface of the first lens to an image plane of the camera optical lens along an optic axis. 
     
     
       8. The camera optical lens as described in  claim 1 , further satisfying: FOV 82.00°, where FOV denotes a field of view of the camera optical lens. 
     
     
       9. The camera optical lens as described in  claim 1 , further satisfying: 0.46≤12/f≤1.78 where f12 denotes a combined focal length of the first lens and the second lens.